Layer: Near-Term Predicted Distribution of Major Invasive Vegetation Species (ID: 117)

Parent Layer: Near-Term Landscape Factors

Name: Near-Term Predicted Distribution of Major Invasive Vegetation Species

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Description: See metadata (FGDC section) for complete information about this layer - https://landscape.blm.gov/COP_2010_metadata/COP_IV_N_30m.xml This dataset depicts the near-term predicted distribution of major invasive vegetation species, including cheatgrass as tamarisk. This dataset is the combination of several source datasets, including: LANDFIRE EVT v1.1 NatureServe Landcover v2.7 Probability of Tamarisk Occurrence (USGS: Jarnevich et al. 2011) Mapped areas of Tamarisk occurrence Early Season Invasives in the Colorado Plateau (USGS: Hansen et al. 2005) LANDFIRE Succession Classes These areas are likely an underestimate of the full distribution of these invasive species, due to the difficulty in detecting low canopy cover of these species (especially when they are in the understory) using remote sensing techniques common to several of the data sources used here. This dataset can be taken as an estimate of where these invasive species are likely to occur as dominants or co-dominants on a site. A few sources created predictions based on lower canopy cover requirements of invasives (e.g., LANDFIRE Succession Classes) and relied heavily on biophysical gradients for predictive surfaces. While invasives may not yet be dominant on these sites, these predictions identify areas of the landscape that may be prone to invasion or increasing dominance by these species in the near term. These data are provided by Bureau of Land Management (BLM) "as is" and may contain errors or omissions. The User assumes the entire risk associated with its use of these data and bears all responsibility in determining whether these data are fit for the User's intended use. These data may not have the accuracy, resolution, completeness, timeliness, or other characteristics appropriate for applications that potential users of the data may contemplate. The User is encouraged to carefully consider the content of the metadata file associated with these data. The BLM should be cited as the data source in any products derived from these data.

Copyright Text: CSS-Dynamac and Conservation Biology Institute (CBI)

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